Triassic

199-251 mya

Triassic

199-251 mya

Events:

Mammals & Dinosaurs appear

The first mammals appeared at thee end of the Triassic period. The first known mammal in the Triassic period was pelycosaurs. Turtles, Frogs and Lizards all appeared during the Triassic Era

Pangea Breaks Up

At the beginning of the Triassic period the land masses were still bonded together. The formation of the supercontinent Pangea decreased the amount of shoreline, formed mountains, and gave the supercontinent a dry desert like terrain. Pangea began to break apart in the Mid Triassic forming Gondwana (South America, Africa, India, Antarctica, and Australia) in the south. In the North, Laurasia (North America and Eurasia) While Pangea was breaking apart mountains were forming.

Climate & Conditions

The climate of the Triassic era was influenced by Pangea. The climate during the Triassic era was generally hot and dry, with very cold winters and hot summers.

Pelycosaurs

One of the first known mammal during the Triassic period

Theropoda

Largely carnivorous dinosaurs that mostly had air-filled bones and feathers similar to birds.

Archosaurs

Archosaurs are a group of diapsid amniotes whose living representatives consist of birds and crocodilians

Pelycosaurs

One of the first known mammal during the Triassic period

Theropoda

Largely carnivorous dinosaurs that mostly had air-filled bones and feathers similar to birds.

Archosaurs

Archosaurs are a group of diapsid amniotes whose living representatives consist of birds and crocodilians